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Finding the Fourth Proportional to 169.13, 233.42 and 95.46

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Solution

The fourth proportional to 169.13, 233.42 and 95.46 is: 131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.13 : 233.42 = 95.46 : x
  2. Step 2: Convert to fraction form
    169.13/233.42 = 95.46/x
  3. Step 3: Cross multiply
    169.13x = 233.42 × 95.46
  4. Step 4: Simplify right side
    169.13x = 22,280.92
  5. Step 5: Solve for x
    x = 22,280.92/169.13
  6. Step 6: Final answer
    x = 131.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.